1 /*-
2  * Copyright (c) 2008 Ed Schouten <ed@FreeBSD.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 
27 #ifndef _SPAWN_H_
28 #define _SPAWN_H_
29 
30 #include <sys/cdefs.h>
31 #include <sys/types.h>
32 #include <sys/_types.h>
33 #define __need_sigset_t
34 #include <signal.h>
35 
36 struct sched_param;
37 
38 typedef struct __posix_spawnattr		*posix_spawnattr_t;
39 typedef struct __posix_spawn_file_actions	*posix_spawn_file_actions_t;
40 
41 #define POSIX_SPAWN_RESETIDS		0x01
42 #define POSIX_SPAWN_SETPGROUP		0x02
43 #define POSIX_SPAWN_SETSCHEDPARAM	0x04
44 #define POSIX_SPAWN_SETSCHEDULER	0x08
45 #define POSIX_SPAWN_SETSIGDEF		0x10
46 #define POSIX_SPAWN_SETSIGMASK		0x20
47 
48 _BEGIN_STD_C
49 /*
50  * Spawn routines
51  *
52  * XXX both arrays should be __restrict, but this does not work when GCC
53  * is invoked with -std=c99.
54  */
55 int posix_spawn (pid_t *  __restrict, const char * __restrict,
56 	const posix_spawn_file_actions_t *, const posix_spawnattr_t * __restrict,
57 	char * const [], char * const []);
58 int posix_spawnp (pid_t * __restrict, const char * __restrict,
59 	const posix_spawn_file_actions_t *, const posix_spawnattr_t * __restrict,
60 	char * const [], char * const []);
61 
62 /*
63  * File descriptor actions
64  */
65 int posix_spawn_file_actions_init (posix_spawn_file_actions_t *);
66 int posix_spawn_file_actions_destroy (posix_spawn_file_actions_t *);
67 
68 int posix_spawn_file_actions_addopen (posix_spawn_file_actions_t * __restrict,
69 				      int, const char * __restrict, int, mode_t);
70 int posix_spawn_file_actions_adddup2 (posix_spawn_file_actions_t *, int, int);
71 int posix_spawn_file_actions_addclose (posix_spawn_file_actions_t *, int);
72 #if __MISC_VISIBLE || __GNU_VISIBLE
73 int posix_spawn_file_actions_addchdir_np (posix_spawn_file_actions_t *__restrict
74 ,
75 					  const char *__restrict);
76 int posix_spawn_file_actions_addfchdir_np (posix_spawn_file_actions_t *__restrict,
77 					   int);
78 #endif
79 
80 /*
81  * Spawn attributes
82  */
83 int posix_spawnattr_init (posix_spawnattr_t *);
84 int posix_spawnattr_destroy (posix_spawnattr_t *);
85 
86 int posix_spawnattr_getflags (const posix_spawnattr_t * __restrict,
87 			      short * __restrict);
88 int posix_spawnattr_getpgroup (const posix_spawnattr_t * __restrict,
89 			       pid_t * __restrict);
90 int posix_spawnattr_getschedparam (const posix_spawnattr_t * __restrict,
91 				   struct sched_param * __restrict);
92 int posix_spawnattr_getschedpolicy (const posix_spawnattr_t * __restrict,
93 				    int * __restrict);
94 int posix_spawnattr_getsigdefault (const posix_spawnattr_t * __restrict,
95 				   sigset_t * __restrict);
96 int posix_spawnattr_getsigmask (const posix_spawnattr_t * __restrict,
97 				sigset_t * __restrict);
98 
99 int posix_spawnattr_setflags (posix_spawnattr_t *, short);
100 int posix_spawnattr_setpgroup (posix_spawnattr_t *, pid_t);
101 int posix_spawnattr_setschedparam (posix_spawnattr_t * __restrict,
102 				   const struct sched_param * __restrict);
103 int posix_spawnattr_setschedpolicy (posix_spawnattr_t *, int);
104 int posix_spawnattr_setsigdefault (posix_spawnattr_t * __restrict,
105 				   const sigset_t * __restrict);
106 int posix_spawnattr_setsigmask (posix_spawnattr_t * __restrict,
107 				const sigset_t * __restrict);
108 _END_STD_C
109 
110 #endif /* !_SPAWN_H_ */
111